RE: [MW:30664] TPI approval on WPS

If you are working to ASME no third party witness is required.  Your Authorized Inspector (AI) will definitely have involvement but they are not required to witness WPS involvement.

 

If you are working to AWS no third party witness is required.

 

If you are working to ISO 15614, third party witness by a Notified Body (NOBO) is required.

 

If you are doing structural work for Canada.   CWB witness is required and a retained Canadian Chartered Engineer is typically also required for companies operating outside of Canada.

 

If you are interested – my experience – hope it helps.

 

John

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Prakash Gotimukul
Sent: Thursday, March 26, 2020 5:35 AM
To: materials-welding
Subject: Re: [MW:30663] TPI approval on WPS

 

For projects in middle east it is almost mandatory that a TPI is used although it is not a code requirement. In other countries u may follow what is prevailing in those countries.

Thanks & Rgds.
Prakash Gotimukul
Authorised Inspection Supervisor
AIA LLC TX USA
MOB +97155 7114671
           +919730039755

 

On Thu, Mar 26, 2020, 13:56 Vinay Thattey <vinay.thattey@gmail.com> wrote:

Nice explanation , Mr Ramesh

 

On Tue, 24 Mar 2020 at 08:37, Ramesh <rameshkannandevaraj@gmail.com> wrote:

Each organisation can certify WPS/PQR. refer ASME Sec-IX- QW 201,  TPI review/witness is NOT mandatory,

 

TPI review / witness is Not code requirements, this is to satisfy customers that they have qualified WPS/PQR  upfront with third party check than vendors own personal. 

 

Also note, code allows SWPS - Prequalified WPS, means u can understand that does not require TPI involvement ! 

 

 

Thanks and Regards

Rameshkannan Devaraj

"What you have learned is a mere handful; What you haven't learned is the size of the world – Avvaiyar"

 

 

On Mon, Mar 23, 2020 at 3:06 PM Kannayeram Gnanapandithan <kgpandithan@gmail.com> wrote:

No. TPI can witness PQR and can review WPS. TPI can't Certify PQR and can't Approve WPS. In ISO as examining body, they can certify WPQR not WPS. 

 

On Sun, 22 Mar 2020 12:38 pm Venkat Ramana, <venkatgps.ramana@gmail.com> wrote:

The contracted prepared and qualified as per AWSD1. 1 edition 2015 and ASME Sec IX edition 2015. Is there any requirement to do the sign on WPS copies??

 

Please clarify.... 

 

Venkat

 

On Sat, Mar 21, 2020, 12:29 PM Kannayeram Gnanapandithan <kgpandithan@gmail.com> wrote:

Not necessarily. But as per 2019, competent welding personal should be available to review welding related documents within company. 

 

On Sat, 21 Mar 2020 9:34 am Venkat Ramana, <venkatgps.ramana@gmail.com> wrote:

Dear Experts,

 

My query is that, is there any mandatory by TPI approval (Seal and Sign) on every WPS ?? even though they have already sign into the supporting PQR'S....

 

KINDLY CLARIFY WITH RELEVANT CODES AND STANDARDS.

 

 

Thanks & Regards

 

Venkat

+91 9676061257

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